Home / 47,109.84-70,663.76-13,829.16

Finding the Fourth Proportional to 47,109.84, 70,663.76 and 13,829.16

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Solution

The fourth proportional to 47,109.84, 70,663.76 and 13,829.16 is: 20,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,109.84 : 70,663.76 = 13,829.16 : x
  2. Step 2: Convert to fraction form
    47,109.84/70,663.76 = 13,829.16/x
  3. Step 3: Cross multiply
    47,109.84x = 70,663.76 × 13,829.16
  4. Step 4: Simplify right side
    47,109.84x = 977,220,443.24
  5. Step 5: Solve for x
    x = 977,220,443.24/47,109.84
  6. Step 6: Final answer
    x = 20,743.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.